{ "mapping-table" : { "mapping-entry": { "index": 58, "type": "static", "transport-protocol": 58, "internal-src-address": "2001:db8:85a3::8a2e:370:7334", "external-src-address": "10.1.1.4", "internal-src-port" : { "single-port-number" : 1234 }, "external-src-port" : { "single-port-number" : 5678 } } } }